Nys Atomic Development Dam #1

Nys Atomic Development Dam #1 is an earth dam located in Cattaraugus County, New York, built in 1963. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection06/15/2022
Height95 ft
Built196363 years ago

Dam profile

NID height · 95 ft
95 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

95 ft tall and 450 ft long, taller than 98% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.

About Nys Atomic Development Dam #1

The primary purpose of Nys Atomic Development Dam #1 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Nys Energy Research & Development Authority (state). It impounds the Tr-buttermilk Creek near West Valley.

The dam stands 95 feet tall and stretches 450 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 488 acre-feet. Completed in 1963, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 06/15/2022.

At 95 feet, this dam is taller than 98% of all dams in the United States.

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Location

StateNew York
CountyCattaraugus
Nearest CityWest Valley
River/StreamTr-buttermilk Creek
Coordinates42.43667, -78.63667

Physical Characteristics

Dam TypeEarth
NID Height95 ft
Dam Height95 ft
Dam Length450 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage488 acre-ft
Max Storage488 acre-ft
Normal Storage468 acre-ft
Surface Area5 acres
Max Discharge1,900 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerNys Energy Research & Development Authority
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection06/15/2022
Emergency Action PlanNot Required

Identifiers

NID IDNY00837
Federal IDNY00837
More InfoState Dam Safety Program